import {
  LRUCache,
  memoize,
  memoizeAsync,
  getPatternCacheMetrics,
} from '@dotsetlabs/cli';

// Create an LRU cache
const cache = new LRUCache<string, RegExp>({ maxSize: 1000 });
cache.set('aws-key', /AKIA[A-Z0-9]{16}/g);

// Memoize expensive functions
const parsePattern = memoize((pattern: string) => {
  return new RegExp(pattern, 'gi');
});

// Memoize async functions
const fetchSecrets = memoizeAsync(async (key: string) => {
  return await secretsManager.getValue(key);
}, { ttlMs: 60000 });

// Check cache performance
const metrics = getPatternCacheMetrics();
console.log(`Cache hit rate: ${metrics.hitRate}%`);

optional defaultTtl: number;

optional enableMetrics: boolean;

optional maxMemoryBytes: number;

optional maxSize: number;

optional onEvict: <T>(key, value) => void;

optional sizeOf: <T>(value) => number;